English verb conjugation COULD CALK

Regular verb: calk - calked - calked

Affirmation

Simple form

I could calk
you could calk
he could calk
we could calk
you could calk
they could calk

V-ing form

I could be calking
you could be calking
he could be calking
we could be calking
you could be calking
they could be calking

Perfect

I could have calked
you could have calked
he could have calked
we could have calked
you could have calked
they could have calked

V-ing perfect

I could have been calking
you could have been calking
he could have been calking
we could have been calking
you could have been calking
they could have been calking

Negation

Simple form

I could not calk
you could not calk
he could not calk
we could not calk
you could not calk
they could not calk

V-ing form

I could not be calking
you could not be calking
he could not be calking
we could not be calking
you could not be calking
they could not be calking

Perfect

I could not have calked
you could not have calked
he could not have calked
we could not have calked
you could not have calked
they could not have calked

V-ing perfect

I could not have been calking
you could not have been calking
he could not have been calking
we could not have been calking
you could not have been calking
they could not have been calking

Interrogative form

Simple form

could I calk?
could you calk?
could he calk?
could we calk?
could you calk?
could they calk?

V-ing form

could I be calking?
could you be calking?
could he be calking?
could we be calking?
could you be calking?
could they be calking?

Perfect

could I have calked?
could you have calked?
could he have calked?
could we have calked?
could you have calked?
could they have calked?

V-ing perfect

could I have been calking?
could you have been calking?
could he have been calking?
could we have been calking?
could you have been calking?
could they have been calking?

Interro-negative form

Simple form

could I not calk?
could you not calk?
could he not calk?
could we not calk?
could you not calk?
could they not calk?

V-ing form

could I not be calking?
could you not be calking?
could he not be calking?
could we not be calking?
could you not be calking?
could they not be calking?

Perfect

could I not have calked?
could you not have calked?
could he not have calked?
could we not have calked?
could you not have calked?
could they not have calked?

V-ing perfect

could I not have been calking?
could you not have been calking?
could he not have been calking?
could we not have been calking?
could you not have been calking?
could they not have been calking?

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